setGlobalDuration(10)

vibrato(bus='vib', frequency=5.5, amplitude=.04, delay=1, slopedur=1.5)
sawtooth(pitch=100, pitchVar='vib', out='snd')
bandpass(input='snd', cutoff=500, bandwidth=80)
bandpass(input='snd', cutoff=1000, bandwidth=100)

startCsound()